Dexter is a Boy Genius Who has a secret lab in his room his Mom and Dad don't now about it, but his older sister Dee Dee Does and they go on wacky (yet Sci-fi) Capers
He skips grades. She just skips.
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Did You Know?
In the episode where Dexter is learning piano, the professor says they'll start on C, but they clearly start on F. See more
Omlette du fromage.
After the end credits of season one they show the Cartoon Network logo and Dee-dee is dancing but then Dexter in a robot suit busts through the logo and looks to his left and right. See more
Referenced in Nostalgia Critic: Fant4stic